[SeaBIOS] Pci express passthough in KVM

Anthony Liguori anthony at codemonkey.ws
Fri Jan 29 01:10:18 CET 2010

On 01/28/2010 05:40 PM, Kevin O'Connor wrote:
> On Thu, Jan 28, 2010 at 05:18:00PM -0500, Jean-Christophe Ducom wrote:
>> Dear Kevin-
>> Sorry to bother you but I have a quick question.
>> I am trying to attach a pci express Infiniband card to a guest VM via
>> KVM (Fedora Core12 version kvm/qemu still uses pcbios).
>> Unfortunately it fails. I suspect (please correct me if I'm wrong)
>> it's due to the lack of PCIexpress support in the bios as mentioned
>> in the talk of Isaku Yamahata and Akio Takebe during last Xen
>> summit.
>> If so, would seabios fix it?
>> Thank you for your time
>> Jean-Christophe Ducom
> I don't know.  I think you need to ask the KVM folks.

Yes, please send your query to kvm at vger.kernel.org.

There are a lot of reasons passthrough can fail.  It's usually not going 
to be the firmware.


Anthony Liguori

> -Kevin
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